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Chemistry, 07.05.2021 07:40 lkipjjjjjjjjjj5673
1 When a warm solution of sodium sulphate is electrolysed using platinum electrodes, oxygen gas
is liberated at the anode. However, when a warm solution of sodium sulphate is electrolysed using
graphite electrodes, a mixture of oxygen, carbon dioxide and carbon monoxide are liberated at the
anode. Explain the observations,
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Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.
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1 When a warm solution of sodium sulphate is electrolysed using platinum electrodes, oxygen gas
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